Polymer Composites,
Journal Year:
2024,
Volume and Issue:
45(8), P. 7484 - 7494
Published: Feb. 28, 2024
Abstract
This
study
investigated
the
effect
of
various
stacking
sequences
on
mechanical
and
acoustic
characteristics
hemp
kenaf
fibers
reinforced
hybrid
composites.
The
was
done
by
using
universal
testing
machine
izod
imact
tester.
Further,
impendence
tube
method.
Hemp/kenaf/kenaf/hemp
laminates
outperformed
other
composites
in
terms
tensile
strength,
flexural
strength
impact
strength.
In
mono
reinforcements,
hemp/epoxy
demonstrated
superior
than
epoxy
matrix
kenaf/epoxy
However,
have
behavior
compared
to
pure
From
results
revealed
that
kenaf/hemp/hemp/kenaf
exhibitted
highest
sound
transmission
loss
level
at
lowest
frequency
region.
bestmechanical
will
be
suggested
for
use
automobile
door
panels.
Also,
optimal
coefficent
values
signifying
their
appropriateness
applications
encompass
many
bands.
Highlights
Hybridization
kenaf/hemp
Improved
properties
over
single
fiber
Better
Polymer Composites,
Journal Year:
2024,
Volume and Issue:
45(8), P. 7439 - 7454
Published: March 1, 2024
Abstract
The
study
aimed
to
investigate
the
impact
behavior
of
fabric
laminates
composed
carbon,
Kevlar,
and
hybrid
materials
through
low‐velocity
tests.
Non‐hybrid
were
created
using
layup
techniques
with
sandwich
stacking
sequences.
Drop
weight
tests
conducted
varying
levels
energy
assess
influence
sequence
hybridization
on
properties.
results
showed
significant
improvements
in
properties
increasing
sequence,
particularly
a
108.8%
137.4%
enhancement
C4
K4
laminates,
respectively.
Kevlar
exhibited
higher
resistance
than
carbon
Kevlar‐carbon‐Kevlar‐carbon
laminate
demonstrated
superior
force
absorption
capabilities.
Additionally,
analyzed
penetration
depth
identified
different
failure
modes
dependent
levels.
These
findings
provide
valuable
insights
for
optimizing
laminated
composites.
Thus,
research
could
be
implemented
industries
requiring
enhanced
resistance,
such
as
aerospace,
automotive,
sports
equipment,
protective
gear
manufacturing.
Highlights
Investigated
performance
stacked
structures,
including
composites,
Fabricated
both
non‐hybrid
composite
laminates.
Observed
greater
C2
structure,
while
KCKC
showcased
(DOP).
Various
investigated,
demonstrating
their
relationship
Materials Research Express,
Journal Year:
2024,
Volume and Issue:
11(4), P. 045505 - 045505
Published: April 1, 2024
Abstract
This
work
provides
an
insight
of
the
free
vibration
behaviour
based
on
experimental
modal
analysis
hybrid
natural
fibre
reinforced
polymer
composites
fabricated
via
compression
moulding
method.
study
aims
to
impact
different
matrices
(vinyl
ester
and
epoxy)
stacking
order
fibres
(Jute,
Kenaf
Banana)
composite’s
characteristics.
Jute-Kenaf-Banana-Epoxy
(JKBE)
matrix
exhibited
enhanced
properties
compared
single
fiber
reinforcements,
except
banana/epoxy
composites.
Additionally,
Jute-Kenaf-Banana-Vinyl
(JKBV)
demonstrated
improved
in
comparison
with
exception
kenaf/vinyl
Kenaf-Banana-Jute-Jute-Banana-Kenaf-Epoxy
(KBJJBKE)
Kenaf-Banana-Jute-Jute-Banana-Kenaf-Vinyl
(KBJJBKV)
showed
highest
frequencies
68.36
Hz
97.66
Hz,
respectively.
However,
there
was
no
significant
improvements
Jute-Kenaf-Banana-Kenaf-Banana-Jute-Epoxy
(JKBKBJE)
Jute-Kenaf-Banana-Kenaf-Banana-Jute-Vinyl
(JKBKBJV)
The
damping
factor
observed
for
JKBKBJE
(0.153)
JKBKBJV
(0.224)
These
better
shall
be
a
potential
candidate
automobile
interior
applications.
SPE Polymers,
Journal Year:
2024,
Volume and Issue:
5(4), P. 693 - 708
Published: Aug. 19, 2024
Abstract
This
study
investigates
the
use
of
jute
cloth
epoxy
reinforced
with
microfibers
from
coconuts
and
bananas
to
investigate
bio‐inspired
composite
materials.
The
development
assessment
mechanical
qualities
two
types—jute
fabric
containing
10%
banana
coconut
microfibers—were
main
goals.
These
composites
were
made
for
study,
then
they
underwent
extensive
testing
(such
as
tensile,
bending,
impact
tests)
scanning
electron
microscopy
(SEM)
microstructural
examination.
Jute
cloth,
which
is
renowned
its
sustainability,
was
utilized
foundation
material,
matrix
improve
structural
stability.
Fibers
included
because
their
durability
low
weight.
findings
suggested
that,
maybe
a
result
variations
in
density,
fibers
performed
better
mechanically
than
one
fibers.
discoveries
signify
substantial
breakthrough
materials
have
potential
uses
sectors
looking
environmentally
friendly
substitutes.
research
may
help
create
green
improved
properties
by
deepening
our
understanding
interactions
between
jute,
epoxy,
natural
Highlights
Banana
enhance
composite's
tensile
strength
significantly.
material's
bending
show
promise
diverse
load‐bearing
applications.
High
resistance
makes
viable
impact‐prone
environments.
SEM
analysis
confirms
homogeneous
integration
within
matrix.
Polymers for Advanced Technologies,
Journal Year:
2025,
Volume and Issue:
36(1)
Published: Jan. 1, 2025
ABSTRACT
Polymer
matrix
composites
(PMCs)
are
critical
materials
in
vibration‐intensive
applications,
including
aerospace,
automotive,
naval,
and
sports
sectors,
where
understanding
their
dynamic
behavior
is
essential
for
reliable
performance.
This
study
comprehensively
reviews
PMCs'
properties,
focusing
on
vibration
response
damping
characteristics.
It
explores
the
influence
of
material
parameters,
such
as
composition,
fiber
orientation,
stacking
sequence,
nanoparticle
incorporation,
natural
frequencies
ratios.
Experimental
techniques
like
mechanical
analysis
fast
Fourier
transform,
alongside
computational
analytical
methods,
finite
element
classical
theory,
utilized
to
evaluate
these
properties.
Key
findings
reveal
that
fibers
kenaf
hamp
enhance
eco‐friendly
while
synthetic
nanoparticles,
multi‐walled
carbon
nanotubes,
improve
frequency
but
may
reduce
damping.
The
effects
temperature
sensitivity
chemical
treatments
also
discussed,
emphasizing
role
optimizing
vibrational
Analytical
models
numerical
simulations
validate
findings,
providing
insights
into
structural
design.
work
bridges
knowledge
gaps
by
integrating
experimental
theoretical
approaches
offers
practical
strategies
developing
lightweight,
vibration‐resistant
PMCs
tailored
engineering
applications.
Future
research
should
focus
material–environment
interactions
advanced
Journal of Polymer Research,
Journal Year:
2025,
Volume and Issue:
32(3)
Published: March 1, 2025
Abstract
Polymer
foam
composites
for
sound
absorption
with
eco-friendly
attributes
have
gained
significant
attention
in
sustainable
materials
research.
This
study
investigates
the
impact
of
ultraviolet
(UV)
irradiation
on
morphological,
mechanical,
and
acoustical
properties
bio-epoxy
(BE)
synthetic
epoxy
(SE)
composites,
incorporating
wood
flakes
as
fillers
at
varying
loadings
(0–20
wt%).
BE,
derived
from
waste
cooking
oil,
demonstrated
superior
resilience
to
UV
exposure
compared
SE,
maintaining
better
pore
structure,
mechanical
stability,
performance.
The
results
show
that
after
6000
h
exposure,
BE
retained
12–18%
higher
coefficient
(α
=
0.62–0.78)
than
SE
0.50–0.66)
3000
Hz
demonstrating
resilience.
At
Hz,
outperformed
0.45
vs.
0.35)
a
result
structural
degradation
frequencies,
attributed
natural
stabilizing
bio-based
additives.
proves
offer
improved
durability
acoustic
performance
under
prolonged
positioning
them
promising
acoustics
applications.
